2025 Big Ten Conference Leaders Turnover Margin - Games in October Only through 11/15/2025
| Name | G | Fum. Gain | Int. Gain | Total Gain | Fum. Lost | Int. Lost | Total Lost | Margin | Margin/G | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ohio State | 3 | 2 | 2 | 4 | 0 | 0 | 0 | 4 | 1.33 |
| 2 | Iowa | 3 | 1 | 7 | 8 | 0 | 2 | 2 | 6 | 2.00 |
| 2 | Maryland | 3 | 1 | 6 | 7 | 1 | 2 | 3 | 4 | 1.33 |
| 2 | Michigan | 4 | 2 | 5 | 7 | 1 | 2 | 3 | 4 | 1.00 |
| 2 | Michigan State | 4 | 1 | 1 | 2 | 3 | 2 | 5 | -3 | -0.75 |
| 6 | Indiana | 3 | 1 | 4 | 5 | 0 | 3 | 3 | 2 | 0.67 |
| 6 | Northwestern | 4 | 4 | 3 | 7 | 2 | 3 | 5 | 2 | 0.50 |
| 6 | Rutgers | 3 | 4 | 1 | 5 | 2 | 3 | 5 | 0 | 0.00 |
| 6 | Oregon | 3 | 1 | 4 | 5 | 2 | 3 | 5 | 0 | 0.00 |
| 6 | USC | 2 | 0 | 3 | 3 | 2 | 3 | 5 | -2 | -1.00 |
| 6 | Illinois | 3 | 2 | 0 | 2 | 2 | 3 | 5 | -3 | -1.00 |
| 6 | Penn State | 3 | 1 | 1 | 2 | 2 | 3 | 5 | -3 | -1.00 |
| 13 | UCLA | 4 | 3 | 3 | 6 | 2 | 4 | 6 | 0 | 0.00 |
| 13 | Minnesota | 4 | 1 | 3 | 4 | 0 | 4 | 4 | 0 | 0.00 |
| 13 | Washington | 4 | 0 | 4 | 4 | 1 | 4 | 5 | -1 | -0.25 |
| 13 | Purdue | 4 | 2 | 2 | 4 | 6 | 4 | 10 | -6 | -1.50 |
| 17 | Nebraska | 4 | 1 | 4 | 5 | 1 | 5 | 6 | -1 | -0.25 |
| 17 | Wisconsin | 4 | 0 | 1 | 1 | 1 | 5 | 6 | -5 | -1.25 |